Vincent Price

Simon Cordier

Nancy Kovack

Odette Mallotte

Chris Warfield

Paul Duclasse

Elaine Devry

Jeanne D'Arville

Ian Wolfe

Pierre

Stephen Roberts

Captain Robert Rennedon

Lewis Martin

Father Raymonde

Mary Adams

Louise

Edward Colmans

Andre D'Arville

Nelson Olmsted

Dr. Borman

Harvey Stephens

Louis Girot

Don Brodie

Marcel

Joseph Ruskin

The Horla (voice)

Dick Wilson

Reginald Le Borg

Director

Robert E. Kent

Producer

Robert E. Kent

Screenplay

Daniel Haller

Art Direction

Ralph Butler

Sound

Lowell Grant

Sculptor

Alfred R. Bird

Sound Effects Editor

Edna Bullock

Music Editor

Irving W. Sindler

Property Master

Norman Breedlove

Special Effects

Victor A. Gangelin

Set Decoration

Richard LaSalle

Original Music Composer

Jane Ficker

Script Supervisor

Marjorie Corso

Costume Design

Ellis W. Carter

Director of Photography

Grant Whytock

Editor

Guy de Maupassant

Short Story

Joseph Small

Production Manager

Al Westen

Assistant Director

Carmen Dirigo

Hairstylist

Edward Small

Producer

Ted Coodley

Makeup Artist

United Artists

US

Robert E. Kent Productions